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Title: Radius of curvature measurement by Twyman-Green's interferometer
Authors: Elzaiat, Sy ×
Missotten, Luc
Engelen, Jan #
Issue Date: 1991
Publisher: Elsevier sci ltd
Series Title: Optics and lasers in engineering vol:15 issue:3 pages:203-208
Abstract: The radius of curvature of a spherical surface has been measured by a non-contact interferometric method using Twyman-Green's interferometer. This interferometer has been used without adding the traditional moving focusing lens in one of its arms. Similar to Newton's rings method, a single interferogram gives the radius of curvature of the spherical surface. Six spherical mirrors, both convex and concave, with radii ranging from 959 mm to 2221 mm have been measured. The results of the measurements have been compared with those obtained by Newton's rings method.
ISSN: 0143-8166
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Faculty of Medicine - miscellaneous
ESAT - STADIUS, Stadius Centre for Dynamical Systems, Signal Processing and Data Analytics
Alumni, Faculty of Medicine
× corresponding author
# (joint) last author

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